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Open many popular 3D formats including STL, Solidworks( .sldprt ), IGES (.igs/.iges), STEP (.stp/.step), JT, SKP (SketchUp), SCDOC (SpaceClaim), X_T / X_B (Parasolid), PLY, OBJ, 3DS, DAE (Collada), DX View models in 3D. Spin, pan, zoom in/out with perspective or orthographic projection; Measure distance, location, volume, area, length, radius, angle, thickness, boundary and many more; Open multiple files in the same window, very useful for assembly viewing or model comparison; Turn individual parts on and off to better view the model; Support 3D notes and 3D dimensions for better presentation and communication; Support comment and asset management for better collaboration and record keeping; Scale, translate, mirror, rotate individual 3D part; Slice 3D model at any given position, very useful for 3D model repair and modification; Mesh boolean operation support, including union, subtraction and intersection; Provide many useful features for 3D printing, including: check 3D model against build volume of 3D printer, fit 3D model with build volume, and many others; Strong support for 3D scanned point cloud data processing, including: triangulation, down sampling, outliers removal, segmentation and many others; Export 3D model in STL, DAE, DXF, 3DS, OBJ, VRML, PLY, OFF, 3D HTML and ATD format, very useful for 3D format conversion;